drivers: clock_control: Update LPC clock driver for USDHC

Add support to get USDHC clock frequency

Signed-off-by: Mahesh Mahadevan <[email protected]>

Author: mmahadevan108

drivers/clock_control/clock_control_mcux_syscon.c

@@ -72,6 +72,14 @@ static int mcux_lpc_syscon_clock_control_get_subsys_rate(
 		LOG_ERR("Missing feature define for HS_SPI clock!");
 #endif
 		break;
+#if (defined(FSL_FEATURE_SOC_USDHC_COUNT) && FSL_FEATURE_SOC_USDHC_COUNT)
+	case MCUX_USDHC1_CLK:
+		*rate = CLOCK_GetSdioClkFreq(0);
+		break;
+	case MCUX_USDHC2_CLK:
+		*rate = CLOCK_GetSdioClkFreq(1);
+		break;
+#endif
 	}
 #endif
 

include/dt-bindings/clock/mcux_lpc_syscon_clock.h

@@ -16,5 +16,7 @@
 #define MCUX_FLEXCOMM6_CLK		6
 #define MCUX_FLEXCOMM7_CLK		7
 #define MCUX_HS_SPI_CLK		8
+#define MCUX_USDHC1_CLK		9
+#define MCUX_USDHC2_CLK		10
 
 #endif /* ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_MCUX_LPC_SYSCON_H_ */